Locating the Serial Number on Honda GX-Series Engines

Published on
January 29, 2024 at 10:53:07 AM PST January 29, 2024 at 10:53:07 AM PSTth, January 29, 2024 at 10:53:07 AM PST

When it comes to the powerful and reliable Honda GX-Series engines, enthusiasts and professionals alike understand the importance of keeping these engines running smoothly. One key piece of information that plays a crucial role in maintaining and servicing your Honda GX engine is its serial number. In this blog post, we will explore the significance of the serial number, where to find it, and the situations in which knowing this number can be invaluable.

Why the Serial Number Matters

The serial number of your Honda GX engine is like its unique identifier. It provides essential information about the engine's manufacturing details, specifications, and even its history. This alphanumeric code is crucial for several reasons.


1) Warranty Tracking: The serial number is often essential for warranty purposes. In case your Honda GX engine experiences any issues covered under warranty, providing the serial number is a standard requirement for documentation.


2) Product Identification: With various models and versions available in the GX-Series, the serial number helps you identify the specific engine you own. This is vital when searching for the correct replacement parts or seeking assistance from Honda customer support.


3) Recall Information: In the rare event of a product recall or service bulletin, the manufacturer uses the serial number to determine which engines are affected. Knowing your engine's serial number allows you to quickly check for any such announcements.


4) Resale Value: When it's time to upgrade or sell your Honda GX-powered equipment, having the serial number on hand enhances the resale value. Prospective buyers often appreciate the transparency and detailed information about the engine they are considering purchasing.


Locating the Model Number & Serial Number

Now that we understand the importance of the serial number, let's explore where you can find the model number and serial number on your Honda GX engine.


To find the engine model number:


To find the engine Serial Number:

On the Engine Block: The most common location for the serial number is on the engine block itself. Look for a metal plate or sticker typically located near the recoil starter or the oil filler cap. All Honda engine serial numbers have a 4 or 5 letter prefix followed by a 7 digit number. *Information and pictures courtesy of Honda Engines.


Owner's Manual: If you've kept the owner's manual that came with your engine, it should contain information on where to find the serial number. Manuals often include diagrams highlighting the exact location. Online Resources: Honda's official website may provide guidance on locating the serial number for specific GX engine models. You can also refer to online forums and communities where fellow users might share their experiences in finding the serial number.